@article{JGG_2001_5_1_a5,
     author = {K. Mende},
     title = {Light and {Shadow} in {Painting} -- {Concerning} the {Expression} of {Shadows} in {Western} {Painting} --},
     journal = {Journal for geometry and graphics},
     pages = {053--06},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {2001},
     url = {http://geodesic.mathdoc.fr/item/JGG_2001_5_1_a5/}
}